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Re: PWM and rs232 問題
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版主
 
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PIC18F452 的 CCP1/RC2 只有 PWM 及I/O 腳的功能，為何會跟 MAX232 有關呢? TxD & RxD 不是在 RC6 & RC7
發表於: 2009/4/21 13:34
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PWM and rs232 問題
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新會員
 
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請問
使用PIC_18F452，PWM使用ccp1，而ccp1輸出腳位為pin_C2。max232的R2_out是接至PIC的pin_C2，兩隻腳位相衝。 導致ccp1輸出PWM的峰值從5V掉至2V，我將RS232接頭拔掉輸出電壓就正常了。請問要怎麼解決pin_c2相衝問題??? 謝謝....
發表於: 2009/4/21 12:16
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